Home / 39,889.32-59,821.98-13,588.04

Finding the Fourth Proportional to 39,889.32, 59,821.98 and 13,588.04

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Solution

The fourth proportional to 39,889.32, 59,821.98 and 13,588.04 is: 20,377.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,889.32 : 59,821.98 = 13,588.04 : x
  2. Step 2: Convert to fraction form
    39,889.32/59,821.98 = 13,588.04/x
  3. Step 3: Cross multiply
    39,889.32x = 59,821.98 × 13,588.04
  4. Step 4: Simplify right side
    39,889.32x = 812,863,457.12
  5. Step 5: Solve for x
    x = 812,863,457.12/39,889.32
  6. Step 6: Final answer
    x = 20,377.97

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.